4855721715 has 32 divisors (see below), whose sum is σ = 9296427840. Its totient is φ = 2390508288.

The previous prime is 4855721711. The next prime is 4855721777. The reversal of 4855721715 is 5171275584.

4855721715 is a `hidden beast` number, since 4 + 8 + 5 + 572 + 1 + 71 + 5 = 666.

4855721715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4855721715 - 2² = 4855721711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4855721711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1381642 + ... + 1385151.

It is an arithmetic number, because the mean of its divisors is an integer number (290513370).

Almost surely, 2^4855721715 is an apocalyptic number.

4855721715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4855721715 is a deficient number, since it is larger than the sum of its proper divisors (4440706125).

4855721715 is a wasteful number, since it uses less digits than its factorization.

4855721715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766820 (or 2766814 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The square root of 4855721715 is about 69683.0087969801. The cubic root of 4855721715 is about 1693.3676665191.

The spelling of 4855721715 in words is "four billion, eight hundred fifty-five million, seven hundred twenty-one thousand, seven hundred fifteen".